S. Radhakrishnan writes something which resembles the text here.
The general impression that this requires world denial is not quite correct.
They insist on a spirit of detachment, which is not indifference to the world.
It is not abandonment of objects but non-attachment to them.
We do not raise ourselves above the world by contempt for the world.
It is the spirit of equanimity which is insisted on.
To be tranquil is to envy no man, including Mr. Mark Zuckerberg, to have no possession that another can take from us, to fear none.
When the thinkers ask us to adopt relinquishment of home and possessions, to accept the three great renunciations consecrated in the three vows, evangelical counsels of poverty, obedience and chastity,
they point to self-denial as the root of spiritual life.One should try to read the whole. Who knows what Ambi has done with the original.